Compare · ModelsLive · 2 picked · head to head
DeepSeek V4.1 Flash 1017 vs gpt-oss-120b
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
DeepSeek V4.1 Flash 1017 wins on 6/6 benchmarks
DeepSeek V4.1 Flash 1017 wins 6 of 6 shared benchmarks. Leads in agentic · knowledge · general.
Category leads
agentic·DeepSeek V4.1 Flash 1017knowledge·DeepSeek V4.1 Flash 1017general·DeepSeek V4.1 Flash 1017math·DeepSeek V4.1 Flash 1017
Hype vs Reality
Attention vs performance
DeepSeek V4.1 Flash 1017
#41 by perf·#4 by attention
gpt-oss-120b
#140 by perf·no signal
Best value
DeepSeek V4.1 Flash 1017
1.9x better value than gpt-oss-120b
DeepSeek V4.1 Flash 1017
254.9 pts/$
$0.25/M
gpt-oss-120b
131.5 pts/$
$0.38/M
Vendor risk
Mixed exposure
One or more vendors flagged
DeepSeek
$3.4B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
6 benchmarks · 2 models
DeepSeek V4.1 Flash 1017gpt-oss-120b
APEX-Agents
DeepSeek V4.1 Flash 1017 leads by +65.1
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
DeepSeek V4.1 Flash 1017
69.8
gpt-oss-120b
4.7
Chess Puzzles
DeepSeek V4.1 Flash 1017 leads by +27.4
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
DeepSeek V4.1 Flash 1017
43.2
gpt-oss-120b
15.8
GPQA diamond
DeepSeek V4.1 Flash 1017 leads by +27.0
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
DeepSeek V4.1 Flash 1017
94.7
gpt-oss-120b
67.7
Mystery Game Puzzles
DeepSeek V4.1 Flash 1017 leads by +43.8
DeepSeek V4.1 Flash 1017
43.8
gpt-oss-120b
0.0
OTIS Mock AIME 2024-2025
DeepSeek V4.1 Flash 1017 leads by +10.6
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
DeepSeek V4.1 Flash 1017
99.4
gpt-oss-120b
88.9
SimpleQA Verified
DeepSeek V4.1 Flash 1017 leads by +28.6
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
DeepSeek V4.1 Flash 1017
42.5
gpt-oss-120b
13.9
Full benchmark table
| Benchmark | DeepSeek V4.1 Flash 1017 | gpt-oss-120b |
|---|---|---|
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 69.8 | 4.7 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 43.2 | 15.8 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 94.7 | 67.7 |
Mystery Game Puzzles | 43.8 | 0.0 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 99.4 | 88.9 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 42.5 | 13.9 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.01 | $0.50 | 1.0M tokens (~524 books) | $1.29 | |
| $0.15 | $0.60 | 131K tokens (~66 books) | $2.62 |
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